This is self-explanatory. It is the 2004 remake of the original Pokémon Red & Green , updated for the Game Boy Advance featuring enhanced graphics, the Sevii Islands, and gameplay mechanics from Pokémon Gold/Silver.
, which acts as a digital fingerprint to ensure the file hasn't been tampered with. Specification Release Number 1636 (Based on standard Scene numbering) Regional Version (U) - United States / North American Game Version CRC32 Checksum ~16MB (Unzipped), ~5.1MB (Zipped) Legal and Safety Considerations 1636 - Pokemon Fire Red -u--squirrels- Rom Download
This is the most curious part of the keyword. In official No-Intro naming, no ROM includes the word "squirrels." So why is it here? 1636 - Pokémon Fire Red -u--squirrels- ROM Download